fuquan/allwinner_a64
1
1
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

upload android base code part6

Browse source
This commit is contained in:
August 2018-08-08 17:48:24 +08:00
parent 421e214c7d
commit 4e516ec6ed
35396 changed files with 9188716 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

197
android/system/netd/server/NatControllerTest.cpp Normal file
View file

@ -0,0 +1,197 @@
/*
* Copyright 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* NatControllerTest.cpp - unit tests for NatController.cpp
*/
#include <string>
#include <vector>
#include <fcntl.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <gtest/gtest.h>
#include <android-base/stringprintf.h>
#include <android-base/strings.h>
#include "NatController.h"
#include "IptablesBaseTest.h"
using android::base::Join;
using android::base::StringPrintf;
class NatControllerTest : public IptablesBaseTest {
public:
NatControllerTest() {
NatController::execFunction = fake_android_fork_exec;
NatController::iptablesRestoreFunction = fakeExecIptablesRestore;
}
protected:
NatController mNatCtrl;
int setDefaults() {
return mNatCtrl.setDefaults();
}
const ExpectedIptablesCommands FLUSH_COMMANDS = {
{ V4, "*filter\n"
":natctrl_FORWARD -\n"
"-A natctrl_FORWARD -j DROP\n"
"COMMIT\n"
"*nat\n"
":natctrl_nat_POSTROUTING -\n"
"COMMIT\n" },
{ V6, "*filter\n"
":natctrl_FORWARD -\n"
"COMMIT\n"
"*raw\n"
":natctrl_raw_PREROUTING -\n"
"COMMIT\n" },
};
const ExpectedIptablesCommands SETUP_COMMANDS = {
{ V4, "*filter\n"
":natctrl_FORWARD -\n"
"-A natctrl_FORWARD -j DROP\n"
"COMMIT\n"
"*nat\n"
":natctrl_nat_POSTROUTING -\n"
"COMMIT\n" },
{ V6, "*filter\n"
":natctrl_FORWARD -\n"
"COMMIT\n"
"*raw\n"
":natctrl_raw_PREROUTING -\n"
"COMMIT\n" },
{ V4, "*mangle\n"
"-A natctrl_mangle_FORWARD -p tcp --tcp-flags SYN SYN "
"-j TCPMSS --clamp-mss-to-pmtu\n"
"COMMIT\n" },
{ V4V6, "*filter\n"
":natctrl_tether_counters -\n"
"COMMIT\n" },
};
ExpectedIptablesCommands firstNatCommands(const char *extIf) {
std::string v4Cmd = StringPrintf(
"*nat\n"
"-A natctrl_nat_POSTROUTING -o %s -j MASQUERADE\n"
"COMMIT\n", extIf);
std::string v6Cmd =
"*filter\n"
"-A natctrl_FORWARD -g natctrl_tether_counters\n"
"COMMIT\n";
return {
{ V4, v4Cmd },
{ V6, v6Cmd },
};
}
ExpectedIptablesCommands startNatCommands(const char *intIf, const char *extIf) {
std::string rpfilterCmd = StringPrintf(
"*raw\n"
"-A natctrl_raw_PREROUTING -i %s -m rpfilter --invert ! -s fe80::/64 -j DROP\n"
"COMMIT\n", intIf);
std::vector<std::string> v4Cmds = {
"*filter",
StringPrintf("-A natctrl_FORWARD -i %s -o %s -m state --state"
" ESTABLISHED,RELATED -g natctrl_tether_counters", extIf, intIf),
StringPrintf("-A natctrl_FORWARD -i %s -o %s -m state --state INVALID -j DROP",
intIf, extIf),
StringPrintf("-A natctrl_FORWARD -i %s -o %s -g natctrl_tether_counters",
intIf, extIf),
StringPrintf("-A natctrl_tether_counters -i %s -o %s -j RETURN", intIf, extIf),
StringPrintf("-A natctrl_tether_counters -i %s -o %s -j RETURN", extIf, intIf),
"-D natctrl_FORWARD -j DROP",
"-A natctrl_FORWARD -j DROP",
"COMMIT\n",
};
std::vector<std::string> v6Cmds = {
"*filter",
StringPrintf("-A natctrl_tether_counters -i %s -o %s -j RETURN", intIf, extIf),
StringPrintf("-A natctrl_tether_counters -i %s -o %s -j RETURN", extIf, intIf),
"COMMIT\n",
};
return {
{ V6, rpfilterCmd },
{ V4, Join(v4Cmds, '\n') },
{ V6, Join(v6Cmds, '\n') },
};
}
ExpectedIptablesCommands stopNatCommands(const char *intIf, const char *extIf) {
std::string rpfilterCmd = StringPrintf(
"*raw\n"
"-D natctrl_raw_PREROUTING -i %s -m rpfilter --invert ! -s fe80::/64 -j DROP\n"
"COMMIT\n", intIf);
std::vector<std::string> v4Cmds = {
"*filter",
StringPrintf("-D natctrl_FORWARD -i %s -o %s -m state --state"
" ESTABLISHED,RELATED -g natctrl_tether_counters", extIf, intIf),
StringPrintf("-D natctrl_FORWARD -i %s -o %s -m state --state INVALID -j DROP",
intIf, extIf),
StringPrintf("-D natctrl_FORWARD -i %s -o %s -g natctrl_tether_counters",
intIf, extIf),
"COMMIT\n",
};
return {
{ V6, rpfilterCmd },
{ V4, Join(v4Cmds, '\n') },
};
}
};
TEST_F(NatControllerTest, TestSetupIptablesHooks) {
mNatCtrl.setupIptablesHooks();
expectIptablesRestoreCommands(SETUP_COMMANDS);
}
TEST_F(NatControllerTest, TestSetDefaults) {
setDefaults();
expectIptablesRestoreCommands(FLUSH_COMMANDS);
}
TEST_F(NatControllerTest, TestAddAndRemoveNat) {
ExpectedIptablesCommands expected;
ExpectedIptablesCommands setupFirstNatCommands = firstNatCommands("rmnet0");
ExpectedIptablesCommands startFirstNatCommands = startNatCommands("wlan0", "rmnet0");
expected.insert(expected.end(), setupFirstNatCommands.begin(), setupFirstNatCommands.end());
expected.insert(expected.end(), startFirstNatCommands.begin(), startFirstNatCommands.end());
mNatCtrl.enableNat("wlan0", "rmnet0");
expectIptablesRestoreCommands(expected);
ExpectedIptablesCommands startOtherNat = startNatCommands("usb0", "rmnet0");
mNatCtrl.enableNat("usb0", "rmnet0");
expectIptablesRestoreCommands(startOtherNat);
ExpectedIptablesCommands stopOtherNat = stopNatCommands("wlan0", "rmnet0");
mNatCtrl.disableNat("wlan0", "rmnet0");
expectIptablesRestoreCommands(stopOtherNat);
expected = stopNatCommands("usb0", "rmnet0");
expected.insert(expected.end(), FLUSH_COMMANDS.begin(), FLUSH_COMMANDS.end());
mNatCtrl.disableNat("usb0", "rmnet0");
expectIptablesRestoreCommands(expected);
}